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-rw-r--r--cryptography/hazmat/primitives/interfaces.py2
-rw-r--r--docs/hazmat/primitives/interfaces.rst27
2 files changed, 26 insertions, 3 deletions
diff --git a/cryptography/hazmat/primitives/interfaces.py b/cryptography/hazmat/primitives/interfaces.py
index 295f5282..dde0a3b6 100644
--- a/cryptography/hazmat/primitives/interfaces.py
+++ b/cryptography/hazmat/primitives/interfaces.py
@@ -516,7 +516,7 @@ class MACContext(object):
"""
@abc.abstractmethod
- def verify(self):
+ def verify(self, signature):
"""
Checks if the generated message authentication code matches the
signature.
diff --git a/docs/hazmat/primitives/interfaces.rst b/docs/hazmat/primitives/interfaces.rst
index 2d594c8d..bffd3e2d 100644
--- a/docs/hazmat/primitives/interfaces.rst
+++ b/docs/hazmat/primitives/interfaces.rst
@@ -643,8 +643,8 @@ Key derivation functions
stored derived key.
-`CMAC`_
--------
+`Message Authentication Code`_
+------------------------------
.. class:: CMACContext
@@ -663,6 +663,29 @@ Key derivation functions
:return: A :class:`~cryptography.hazmat.primitives.interfaces.CMACContext`
that is a copy of the current context.
+.. class:: MACContext
+
+ .. versionadded:: 0.7
+
+ .. method:: update(data)
+
+ :param data bytes: The data you want to authenticate
+
+ .. method:: finalize()
+
+ :return: The message authentication code.
+
+ .. method:: copy()
+
+ :return: A :class:`~cryptography.hazmat.primitives.interfaces.MACContext`
+ that is a copy of the current context.
+
+ .. method:: verify()
+
+ :param signature bytes: The signature to verify.
+
+ :raises cryptography.exceptions.InvalidSignature: This is raised when
+ the provided signature does not match the expected signature.
.. _`RSA`: https://en.wikipedia.org/wiki/RSA_(cryptosystem)
.. _`Chinese remainder theorem`: https://en.wikipedia.org/wiki/Chinese_remainder_theorem